Okay, so I checked the valve lash, and all the valves passed, maybe a little on the loose side but I've been told loose is better than tight. I fiddled with the rack damper bolt a little and that seemed to smooth things out a bit. It ran nicely this morning, but by the time I got to work it was shaking again.

So apparently it idles worse hot. Any ideas?

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RIP:
2011 E350 BlueTEC, Schwartz 81k (totaled by uninsured drunk driver)
1964 Unimog 404.1 (wrongfully towed by the city)
1994 E320, Brilliantsilber 208k (transmission shuffled off after sudden catastrophic fluid loss)
1982 300D, Silberblau under a blue repaint 256k (sold for parts)
1995 E320 Polarweiss, 131k (sold for parts)
1995 E300D Polarweiss, 287k (totaled by drunk driver)

When the engine is shaking, take a spray bottle of water and spray the entire bottle all over the IP (to cool it some and shrink the parts). If it smooths out, may indicate wear on tight tolerance parts within.

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85 300D turbo pristine w 157k when purchased 167,870 July 2025
83 300 D turbo 297K runs great. SOLD!
83 240D 4 spd manual- parted out then junked